Antonio Banderas and his hilarious accent
Maybe other native Spanish speakers noticed... When Banderas stops his truck and Machete gets in, Banderas starts speaking in "wrong but almost right" Spanish, mispronounced as a native English speaker who knows Spanish would pronounce it. This of course doesn't make sense, because his native tongue *is* Spanish, but then you realize his character was something else (won't spoil it here)... Awesome subtle joke, I am sure Rodriguez and Banderas had a blast planning this little treat!